Qt port: fix controller document, fix keyboard modState, fix key event redirection, fix last tab close bug, fix menu emulated shortcuts, add pakal to build

- fix a pan problem (2 time slower than the mouse move)
- add a backgroundColor in displayStyle

- fix a pan problem (2 time slower than the mouse move)
- add a backgroundColor in displayStyle

- remove the OE_commandDisplay class (specific functions are merged in OE_diplay)

- fix a bug in PES loading (incorect stitch sequence)

- fix key mapping problem

- remove some old test functions in OE_controller

- add UI controls with numpad + - keys for width (+ctrl for len) and 1-> 6 for motif

- draw the move controler with the selection index 1 in tools (id 0)

- add an initNewDocument method in OE_controller
- if OE_document::getBound is called in an empty document it return the hoop bound
- change the keyboard shortcut S key to L for creating linestitch to avoid problem with CTRL+S

- fix the key callback in interfaceDisplay
- fix some bugs during embroidering

- add the interfaceDisplay class that will drive all the user interface and the display->controller interactions

- add a new exemple svg pattern (aplique)

- doxygen refresh
- add some exemple patterns

- add function to drive the embroidery hardware
- add a background grid into the editor view
- add a new motif into linestitch

- add instructions class
- add hoop, pulse/mm and zero point in document

- fix a bug in birailstitch class (initialisation of len and maxlen variable was not set)
- add the display of a point at 0,0

second move to a MVC design

add a OE_svgParser class to fill the document
first move to a MVC design